No, not the ringing of phones, but the ringing of chicks. Four peregrine chicks, to be precise.
This week, licensed ringer Phil Belman had the job of getting and ringing the four peregrine chicks that we've been watching on one of our many webcams.
The whole process took less than an hour, but will hopefully provide us with years of useful data as we'll now be able to keep track of them as the youngsters grow up and start their own families. Find out more about why this data is so important.